CVE-2015-1454

Blue Coat ProxyClient before 3.3.3.3 and 3.4.x before 3.4.4.10 and Unified Agent before 4.1.3.151952 does not properly validate certain certificates, which allows man-in-the-middle attackers to spoof ProxySG Client Managers, and consequently modify configurations and execute arbitrary software updates, via a crafted certificate.

Published: 2015-02-02 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-1454 is rated Moderate Risk (45.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.70%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-1454

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.21% 0.70% +0.49%
2 2025-03-30 0.33% 0.21% -0.12%
3 2025-03-29 0.33%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-1454

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.1 2.0 HIGH
AV:N/AC:M/Au:N/C:N/I:C/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:N)
No availability impact.
8.6 6.9 [email protected]

Weakness enumeration for CVE-2015-1454

Affected software / configurations for CVE-2015-1454

Vendor Product Version Raw CPE
bluecoat proxyclient >= 3.3, < 3.3.3.3 cpe:2.3:a:bluecoat:proxyclient:*:*:*:*:*:*:*:*
bluecoat proxyclient >= 3.4, < 3.4.4.10 cpe:2.3:a:bluecoat:proxyclient:*:*:*:*:*:*:*:*
bluecoat unified_agent <= 4.1.3 cpe:2.3:a:bluecoat:unified_agent:*:*:*:*:*:*:*:*

References for CVE-2015-1454

cvelogic Threat Intelligence